Soot boiler-cleaner.



L. J. BAY-ER. ASOQT BQILER CLEANER,` APPLICATION FILEDl APB.. 6', 19127.

2 SHEETS-SHEET 1j A. .Il l

WITNESSES;

" ATTORNEY. v

' Ll Jr SGOT BOILEB CLEANER. APPLIUATIONE'ILED APRS, 1912.

Patented July i16, 1,912.

WITESSES.-

P Y. m5 w wm n Ivm ml A w x L Y B a n@ mentsv in soot boiler-cleaners; and it consists in. .the novel details of constimction more' tally set forth inl the specification and pointed out iny the claims.

1 5 ln the drawings, Fgure l isa sectional site elevation of a conventional' water-tube hoi .er of the Heine type.. showing my invention applied thereto; Fig. Q is a horizontal section' on the line 2*2 of Fig. l.; Fig. 3 is a trontelevation of the boiler with my invention ppled; and Fig. 41 isv a rear elevation ofthe boiler showing:` zles. le ,ding therefrom. 5 -fThe 4#resent invention is an improvement on the boiler-cleanerfforming the subjectinatt-er off United States-'Letters Patent 'numbered 919.680, issuedv` under date of p April 27,5 1909,' to FrankiX-Ba-yer. and has for' its ol ject to extend the principle of operation .fhereincontemplatech tov boilers .of the Ileineetype wherein there' exists the tende'noay of soot tov accumulate on the end of the ltnve'rr b atlle plateor` wall adjacent the -`'passa efway leading from the combustion chain ier'at: the rear et.' they bridge-wall. In man boilers of thiisftgvipel,considerable soot,

V' f "ashes and othersolid material is preciprtated on the lowerbatlle. It inlay be' stated asfa general rulethatfihv all boiler-sot1 the 'Heine't-ypebal'lled horizontally at the bottoniand top of the water-tube section. there are at leastthree Zones ofpi'eeipitation in which soot, ashes, and solid matter tends to accumulate, namely at the rear end of the t5 lower hatlle. at the front of the behind the t'ront vt;ater-legf,` and at the rear of the opper battle nearest the stack. ln the patent referred to.v the several zones are well taken care. tiexcept. in. cases of unusually longhoilersyer Where there has been a fa'hire tojloloW a boiler as often as conditions reqnireb: In the latter case the lsolid metter preoipitated on the rear end et tne lov/"ver battle?? cakes or becomes so compact that it can not' bedislodged by the steam' soo'r Bourin-CLEANER. i V

Specification of Letters Patent. Application inea .Api-i1 e, 1912'. serial No. 688,946.

yabove the baille, and in tliefrmer L, connected circulatingivfaterltnbes" l'13..

f the headers and nozlower battle E STATES ATENT GFFICE.

LEO No.BAYE-R, or s'r. LOUIS, MIsysOUnI. yAsslefno'n 'ro BAYER srnAivnsoo-fr is'ov'iv'E-l. COMPANY, or sfr. LOUIS, Missona, A CORPORATION or mssonm jGi'S'..` directed through the. 1

jets can noti-each the mate l sopre tated. It is theretorelthe" obje ,bottin l "p ent improvement to so qualifyA tl tion shown in said patenhfas.. blowing of every portionfnf a .water-,tti boiler of the type here'referred1 to .andhat?` tled as here indicated.'y In `detailthe.invern;

tion may be described asfollorvszf,- y .65

Referringto thedrawlngs, ,Sgrepresents a boiler shell having terminal .vvvateaf-legr `Extending over the tire-bo. .B'afnd above. thelhridge-wall lV, andra snitahledistanee over the rear combustion l amber and disposed. at `the'loottom ofth atertubes T, is a delecting Wall or horizontalfba'lile (t, said ybattle terminating` sofas toleave an opening or pass 0 between .it zand, `therear 75 water-leg as well nnderstolodin lthe art.

.Disposed at the top of the` Water-tube; seeltion and extendlng. froiirtheirear water-leg `forward a suitable distance..fasltdvleave a pass 0 between it and the 80 is a.' second batlie Z). Leading; fi'on'ra steam supply pipe 1 infrontof lthe.front-: ,waterz leg, and disposed at proper Aelevations are. headers. Q, '3, from whichleadvbranches t to vwhich are secured nozzles-@which in turn pass through the hollow stay-bolts It enterin g into the general constr-nction of ,the Wa; ter-leg. The nozzles n 'headeri) ldis-y charge belowlhc shell S lbehind ytliefroifizt water-legi'. and the nozxlesgnot'the .heal "l discharge above the battle@beland the i." watenleg. ln the rear oftl vide a steam supply pip l leads a-vbranch or header s M y whereof discharge abovelhe l'ialllel i. ot' the rear water-lee'. and branches erlitt ers f3. 3. the nozzles nf wljiereolf'dischi below the hatlle 7; into thespareshrweeii, the tnhes T in 'liront ot the rear waterleg. `The several headers are provided with Couven# `10U tional control valves V not necessarjvT toderl scribe in detail, and may he blownsucees, sively or jointly. The-pipes 1, l', may lead 'from a eoininon steam supply pipe (not shovvnl.

In the operation ot' the boiler-furnace, solid materials .not carried out of the stack draft ly adhere vtothe tubes precipitate on the lily the 'boiler must he from; whieli,

.A thetop ybaille b` in'jfront ofthe rear'water-A leg'. Thenofzzlesn asdescribedjabove take care of the zonesr, r, under normal workingcondit-io'ns; but for extra' long boilers, or I evenv in boilers offaverage length lif not blown atl 'regular 'intervals'the' zon'ei 7' may vso illfup 4{Withprecipitated material (soot,

ashes, cintlers)''as to resist dislogment byv the steam jets' issuingnfrom the bottom set' '1. of front nozzles. I, accordingly make provision to 4blow the accumulations in the zone' r by means of nozzles -which discharge at thisfzone, thelimitS whereof areA subst-al1-l tiallyl as-indicated by the dotted liner, such line lrepresenting fthe4 'pile' which accumu- '25 lates at this point; I prefer to lead these'v nozzles through the hollow stay-'bolts of the front water-leg inthe same manneras the nozzlesa; and in the preferred embodiment l* l of-the intention thesaid nozzles are in the 3o form 'of long tubes 'a' leading from the branch or header 3'throughthe frontwaterv 'leg Yabo've'the battle a, the terminals-of thenozzles `n,"fbeingl at'thel front ofjthe zone r where they: dislodge thematerial accumuy lated therein; The nozzles n- .preferablyvalternate with the short nozzles n (Fig. 2),- constituting.- in et'ect'm'ere rearward entensions or'prolongations of the nozzles n. E l. l' wWhen the severalnozzles 'are blown vthe 10 accumulated 'soot, asl1es and-solid materials are dislodged from ythetubes T and shell S, fand from the battles a, b, andvkept agitated so as to remainin suspension Vin the current produced by the draft,lsucl1 current. taking the path from the-re-boxsubstantially as indicated bythe arrows (Fig. .1), thatis to say through the pass 0 diagonally across the tubes T, through the'passl o under the shell Sand out through lhe stackl). The lieavi-fv est. particles will naturally be precipitated in the zone 1", that being the zone of initial precipitation; the next lighter will precipi.-

nozzles n, a.

. In testimony whereof alixmy signa- '.ture, in presence lof two witnesses. n -LEO JNO. BAYER.

tatein the-zone 1"' the next 'will precipitate.

in 'the zone 7"', the lvery lightest particles may 'be consideredv as .formingvpartof the Having 'described my' inyention, what I.

l. In combinationfw-ith a boiler having a water-tube section comprising, circula ting water-tubes communicating with the boi-ler, said tubes, beingv` provided with a bottom the tubes, a furnace lprovided with a, v{ircboX and a combustion chamber beneath the4 horizontal. baille terminating at the rear la 1 suitable distance from the adjacent ends of b alile'aforesaid, and'suitable cleaningnozz les discharging rearwardly above the battle at the'zone of'init'ial precipitation of susrear water-leg, a-'combustion chamber below thebottom..bail'le,.a top horizontalbatlle extending from--the rear water-leg lto a point removed a suitable distance fromthe front water-leg, .headers provided with nozzles dischargingthrough. the front water-leg respectively at pointsA behind said water-leg b'eneathth'e shell and aboe vthe bottom baille,

and above said bailleat points in the regionv 4of `nitialp'recip'itation of=suspended impuritiesc'arried 'by ,the gases-'from the combus- -tion chamber,1and headers providedfwith nozzles. discharging through the rear waterleg respecti'yely above the-topballe', and into VtheJ tubes' belowff `said i the spaces between Witnesses l EMIL S'raRE'K, v T. EVANS. 

